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If `x` is positive, the first negative term in the expansion of `(1+x)^(27//5)i s(|x|<1)` a.`5t ht e r m` b. `8t ht e r m` c. `6t ht e r m` d. `7t ht e r m`

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In a binomial expansion (x_y)^n gretest term means numericaly greatest term and therefore greatest term in (x-y)^n and (x+y)^n are ame. I frth therm t_r be the greatest term in the expansion of (x+y)^n whose therms are all ositive, then t_rget_(r+1) and t_rget_=(r-1)i.e. t_r/t_mge1 and t_r/t_(r-)ge1 On the basis of above information answer the following question:If rth term is the greatest term in the expansion f (2-3x0^10 then r= (A) 5 (B) 6 (C) 7 (D) none of these

In a binomial expansion (x+y)^n gretest term means numericaly greatest term and therefore greatest term in (x-y)^n and (x+y)^n are ame. I frth therm t_r be the greatest term in the expansion of (x+y)^n whose therms are all ositive, then t_rget_(r+1) and t_rget_=(r-1)i.e. t_r/t_mge1 and t_r/t_(r-)ge1 ON the basis of above information answer the following question: Greatest term in the expansion of (2+3x0^10, whern x= 3/5 is (A) ^10C_5(18/5)^5 (B) ^10C_6(18/5)^6 (C) ^10C_4(18/5)^4 (D) none of these

The coefficients of (r-1)^(t h),\ r t h\ a n d\ (r+1)^(t h) terms in the expansion of (x+1)^n are in the ratio 1:3:5. Find n\ a n d\ rdot

CENGAGE ENGLISH-BINOMIAL THEOREM-All Questions
  1. The coefficient of x^5in(1+2x+3x^2+)^(-3//2)i s(|x|<1) 21 b. 25 c. 26...

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  2. If x is so small that x^3 and higher powers of x may be neglectd, then...

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  3. If x is positive, the first negative term in the expansion of (1+x)^(...

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  4. Value of sum(k=1)^oosum(r=0)^k1/(3^k)(k Cr) is 2/3 b. 4/3 c. 2 d. 1

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  5. If the expansion in powers of x of the function 1//[(1-a x)(1-b x)] is...

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  6. If f(x)=1-x+x^2-x^3++^(15)+x^(16)-x^(17) , then the coefficient of x^2...

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  7. The sum of rational term in (sqrt(2)+root3 3 + root6 5)^(10) is equal ...

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  8. The value of sum(r=0)^(10)(r)^(20)Cr is equal to: a. 20(2^(18)+^(19)C...

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  9. If p=(8+3sqrt(7))^n a n df=p-[p],w h e r e[dot] denotes the greatest i...

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  10. Statement 1: Greatest term in the expansion of (1+x)^(12), when x=11//...

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  11. Statement 1: Remainder w h e n3456^2222 is divided by 7 is 4. Statemen...

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  12. the value of x , for which the 6th term in the expansions of[2^(log2)...

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  13. Each question has four choices a, b, c and d, out of which only one is...

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  14. The number 51^(49)+51^(48)+51^(47)+........+51+1 is divisible by a. 10...

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  15. If sum(r=0)^(n) (r)/(""^(n)C(r))= sum(r=0)^(n) (n^(2)-3n+3)/(2.""^(n)C...

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  16. If (1+x)^n=C0+C1x+C2x^2+.......+Cn x^n , then show that the sum of th...

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  17. For any positive integer (m,n) (with ngeqm), Let ((n),(m)) =.^nCm Prov...

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  18. If sum(r=0)^n{ar(x-alpha+2)^r-br(alpha-x-1)^r}=0, then prove that bn-(...

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  19. Let a=(2^(1//401)-1) and for each ngeq2,l e tbn=^n C1+^n C2dota+^n C3...

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  20. Prove that sum(r=0)^n^n Cr(-1)^r[i^r+i^(2r)+i^(3r)+i^(4r)]=2^n+2^(n/2+...

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